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	Methods and apparatus for analysing light waveguide couplers
	ALEGRIA, CARLOS, C/O CTRE FOR ENTERPRISE & INNOV.; ZERVAS, MIKHAIL NICKOLAOS, CTRE.FOR ENTERPR.INNOV.
	2003-02-26
著作权人	UNIVERSITY OF SOUTHAMPTON
专利号	EP1286149A1
国家	欧洲专利局
文献子类	发明申请
其他题名	Methods and apparatus for analysing light waveguide couplers
英文摘要	Methods for analysing waveguide couplers are non-destructive, and comprise introducing probe light into a coupler; providing a source of perturbing radiation; presenting the coupling region of the coupler to the perturbing radiation to generate a temperature gradient across the waveguide, either from a direction so as to expose one waveguide before another waveguide and perturb the coupling region asymmetrically, or from a direction so as to expose the waveguides together and perturb the coupling region symmetrically; monitoring the power and/or phase of transmitted probe light, and repeating the presenting and monitoring along the length of the coupling region. Theoretical modelling shows that the transmitted probe light contains information from which can be derived the coupling profile, and power evolution and distribution along the coupling region, including location of the 50-50% points.
公开日期	2003-02-26
申请日期	2001-08-14
状态	失效
内容类型	专利
源URL	[http://ir.opt.ac.cn/handle/181661/52521]
专题	半导体激光器专利数据库
作者单位	UNIVERSITY OF SOUTHAMPTON
推荐引用方式 GB/T 7714	ALEGRIA, CARLOS, C/O CTRE FOR ENTERPRISE & INNOV.,ZERVAS, MIKHAIL NICKOLAOS, CTRE.FOR ENTERPR.INNOV.. Methods and apparatus for analysing light waveguide couplers. EP1286149A1. 2003-02-26.

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